Sibling Desire Ignites Forbidden Passion on Parents Absence Night

Mayama Ritsuki and Kyoya find their sibling relationship strained by undeniable attraction. During a heated argument while their parents are away, Kyoya becomes aroused by Ritsuki’s presence and attempts to flee. Ritsuki chases him, leading to a fall where they end up tangled together. Overwhelmed by their emotions, the two give in to their desires, seizing the opportunity to explore their feelings without interference. Their bond crosses boundaries they can no longer ignore.